diff --git a/README.md b/README.md
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--- a/README.md
+++ /dev/null
@@ -1 +0,0 @@
-Weird attempt to generate random strings from regex.
diff --git a/regex-sampling.tig b/tiger-regex-sampling.tig
old mode 100755
new mode 100644
similarity index 99%
rename from regex-sampling.tig
rename to tiger-regex-sampling.tig
index b381fea..6a99fd9
--- a/regex-sampling.tig
+++ b/tiger-regex-sampling.tig
@@ -1,4 +1,8 @@
-/*  */
+/*
+# Tiger Regex Sampling
+
+Program to generate examples from the given regexes.
+*/
 
 let /* Utility */
     type bool = int